RF-DG-40A
www.szrfstar.com Ver1.0 - Mar., 2020
Shenzhen RF-star Technology Co., Ltd. Page 1 of 14
Table of Contents
Table of Contents ................................................................................................................................................................ 1
1 Device Overview ............................................................................................................................................................. 2
1.1 Description............................................................................................................................................................ 2
1.2 Key Features ....................................................................................................................................................... 2
1.3 Application ............................................................................................................................................................ 2
2 Minimum Requirements ............................................................................................................................................... 3
3 Kit Content ......................................................................................................................................................................... 4
3.1 Hardware Content ............................................................................................................................................. 4
3.2 Download Content ............................................................................................................................................. 4
4 Getting Started ................................................................................................................................................................. 5
5 Programming .................................................................................................................................................................... 6
6 Hardware Description ................................................................................................................................................... 7
6.1 Hardware Drawings .......................................................................................................................................... 7
6.2 Block Diagram ..................................................................................................................................................... 8
6.3 Power Supply ...................................................................................................................................................... 9
6.3.1 Internal Regulator ................................................................................................................................. 9
6.3.2 External Regulated Source ............................................................................................................... 9
6.4 Buttons and LEDs ............................................................................................................................................ 10
6.5 32.768 kHz Crystal .......................................................................................................................................... 11
6.6 USB ....................................................................................................................................................................... 11
6.7 SWD Interface ................................................................................................................................................... 12
6.8 External Connections ..................................................................................................................................... 12
7 Revision History ............................................................................................................................................................ 13
8 Contact Us ....................................................................................................................................................................... 14